Toward high-resolution myocardial tagging

Matthias Stuber, Stefan E. Fischer, M. B. Scheidegger, Peter Boesiger

Research output: Contribution to journalArticlepeer-review

Abstract

Magnetic resonance imaging with preceding tissue tagging is a robust method for assessing cardiac motion of the entire heartbeat cycle with a high degree of accuracy. One limitation of this technique, however, is the low resolution of the obtained displacement map of the labeled points within the myocardium. By a new tagging technique, which is based on the combination of two or more measurements of the same slice but with different grid positions, a highly improved resolution of cardiac motion data can be achieved. In combination with a multi-heart-phase echo-planar imaging sequence, such images with doubled grid frequency can be acquired in two short breath-hold periods.

Original languageEnglish (US)
Pages (from-to)639-643
Number of pages5
JournalMagnetic resonance in medicine
Volume41
Issue number3
DOIs
StatePublished - 1999

Keywords

  • Cardiac MRI
  • Heart wall motion
  • Myocardial tagging

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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